'\" t
.\"***************************************************************************
-.\" Copyright (c) 1998-2006,2010 Free Software Foundation, Inc. *
+.\" Copyright 2018-2019,2020 Thomas E. Dickey *
+.\" Copyright 1998-2006,2010 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: form_win.3x,v 1.11 2010/07/31 16:08:48 tom Exp $
+.\" $Id: form_win.3x,v 1.16 2020/02/02 23:34:34 tom Exp $
.TH form_win 3X ""
.SH NAME
\fBform_win\fR \- make and break form window and subwindow associations
int scale_form(const FORM *form, int *rows, int *columns);
.br
.SH DESCRIPTION
-Every form has an associated pair of \fBcurses\fR windows. The form window
+Every form has an associated pair of \fBcurses\fR windows.
+The form window
displays any title and border associated with the window; the form subwindow
displays the items of the form that are currently available for selection.
.PP
-The first four functions get and set those windows. It is not necessary to set
+The first four functions get and set those windows.
+It is not necessary to set
either window; by default, the driver code uses \fBstdscr\fR for both.
.PP
In the \fBset_\fR functions, window argument of \fBNULL\fR is treated as though
The function \fBscale_form\fR returns the minimum size required for the
subwindow of \fIform\fR.
.SH RETURN VALUE
-Routines that return pointers return \fBNULL\fR on error. Routines that return
+Routines that return pointers return \fBNULL\fR on error.
+Routines that return
an integer return one of the following error codes:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_SYSTEM_ERROR
-System error occurred (see \fBerrno\fR).
+System error occurred (see \fBerrno\fR(3)).
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
.B E_NOT_CONNECTED
No items are connected to the form.
.SH SEE ALSO
-\fBcurses\fR(3X), \fBform\fR(3X).
+\fBcurses\fR(3X),
+\fBcurs_variables\fR(3X),
+\fBform\fR(3X).
.SH NOTES
The header file \fB<form.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.SH PORTABILITY
-These routines emulate the System V forms library. They were not supported on
+These routines emulate the System V forms library.
+They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
-Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
-S. Raymond.
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.